v1.2.1

• Added support for ZStandard-compressed NBT
• Fixed an NPE when writing an opened NBT-JSON file as NBT without specifying the endianness explicitly

v1.2

• Updated dependencies
• Added support for post-1.13 int[] UUIDs
• set now supports SNBT syntax for compounds
• set can now set old-style (two longs) and new-style (int[]) UUIDs
• set can now handle int and long arrays
• Array and list children can now be deleted
• Added a --convert-nbt mode switch for converting NBT JSON back into NBT non-interactively

v1.1

• Add support for editing arrays, and related major internal refactors
• Print byte arrays larger than 32 entries as base64
• Allow passing base64 to set when setting a byte array
• New native build (which is broken, and has been removed until i can fix it)
• New roundtrippable JSON format dubbed "NBT JSON"
• Add --version switch
• add command now appends to lists if given their paths directly
• Saving files with weird extensions now asks if you're sure you want to do that
• A few bugfixes

v1.0

• Initial release!